Aquatic dyes are commonly used in lakes and ponds to retard (slow) weed and algae growth and are available in a variety of colors. All plants need sunlight to grow.  By reducing the amount of light penetration into the water, the dyes effectively reduce weed growth no matter which color you choose. It should be pointed out that dyes will not stop weed growth, but used consistently, they will greatly reduce it. Lake and pond dyes may also used to improve the appearance of your water.

Pond dye works best in ponds with good water clarity and only retard weeds and algae that are growing at the bottom of the pond, a good rule of thumb is that pond dyes will not affect any weeds and algae that are already in existence, only new growth. Pond dye can be used year round. Normal treatments generally last 1 - 3 months in contained ponds or lakes. How long the dye will last for you will depend on how much flow you have going in and out of the pond.

ABI Aqua		ABI Blue Our #1 Selling Aquatic Dye		Aquashade
ABI Aqua colorant contains a blend of blue and yellow dyes for a nice caribbean blue color.		ABI Blue's true sky blue color beautifully offsets the scenery of your landscape.		Aquashade is the only liquid EPA registered lake and pond dye available. Aquashade contains both blue and yellow dyes. (Permit is required for use in Wisconsin)
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Aquashadow		Blue Lagoon		Cygnet Select
Aquashadow beautifies murky, cloudy or off-colored water with a natural aqua-blue tint. Easy to apply in a water soluable bag. (Permit is required for use in Wisconsin)		Blue Lagoon colors water a mild blue color providing an economical alternative for pond owners on a budget. Not as concentrated as ABI Blue.		For use in sensitive aquatic environments. Effective against species such as cattails, purple loosestrife, and phragmities.
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Cygnet Select Extreme		Lochness		Create Your Own Unique Color!
				Wish your blue dye was a little darker in shade? Consider creating your own unique shade by mixing in a small amount of black dye into your blue dye application. Is your black dye to dark? Add a small amount of blue dye into your black dye applications.
Cygnet Select Extreme is a highly concentrated organic water dye that will tint ponds and lakes with a deep rich blue color.		Perfect for natural looking ponds in wooded areas where you want a reflective surface to show off the surrounding landscape.		With a little practice you will achieve ample color while also creating an attractive, rich look that you enjoy.
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